Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5256337 | Photochromic polymer membrane | Pauline Do | 1993-10-26 |
| 5073303 | Photochromic emulsion | — | 1991-12-17 |
| 5015416 | Photochromic polymeric membrane | — | 1991-05-14 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5256337 | Photochromic polymer membrane | Pauline Do | 1993-10-26 |
| 5073303 | Photochromic emulsion | — | 1991-12-17 |
| 5015416 | Photochromic polymeric membrane | — | 1991-05-14 |